Manual of conchology, structural and systematic : with illustrations of the species / by George W. Tryon, Jr.Tryon, George Washington,1838-1888creatorPilsbry, Henry Augustus,1862-contributorSharp, B.contributortextbookPhiladelphia :Published by the Author, Academy of Natural Sciences,1879-1898.18791898
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EnglishVols. 11-17 (published 1889-1898/8) by George W. Tryon, continued by Henry A. Pilsbry.Vols. 11-17 have imprint: Published by the Conchological Section, Academy of Natural Sciences.Originally issued quarterly, in 68 pts.Consists of "First series, Marine univalves." Cf. p. [4] of covers of individual pts.Marine invertebratesMollusksPictorial worksQL403 Tryonhttp://www.biodiversitylibrary.org/bibliography/105431976137010.5962/bhl.title.10543CIT